Task-dependent rate of recovery from hemilabyrinthectomy: An analysis of swimming and locomotor performances

Laura Petrosini

Research output: Contribution to journalArticlepeer-review

Abstract

Guinea pigs were hemilabyrinthectomized or hemicerebellectomized and repeatedly tested on a swimming task and in the open field. Initially, hemilabyrinthectomized animals showed impaired swimming behavior which improved over time: within 21-25 days after the vestibular damage, the animals were able to swim around the tank with coordinated motor patterns. Only a slight tendency to turn towards the lesion side continued to be displayed. Hemicerebellectomized guinea pigs were significantly less impaired in their swimming ability since the very first test session. Both groups of animals showed similar recovery time courses in their open field activity. The data demonstrate a task-dependence in the rate of recovery following a unilateral labyrinthectomy and a substantial contribution by the labyrinth to swimming function.

Original languageEnglish
Pages (from-to)799-804
Number of pages6
JournalPhysiology and Behavior
Volume33
Issue number5
DOIs
Publication statusPublished - 1984

Keywords

  • Guinea pig
  • Hemicerebellectomy
  • Hemilabyrinthectomy
  • Land locomotion
  • Recovery of function
  • Swimming

ASJC Scopus subject areas

  • Physiology (medical)
  • Behavioral Neuroscience

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